This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/tomcat:9-2.2
  docker pull registry.opensuse.org/opensuse/tomcat:9.0-2.2
  docker pull registry.opensuse.org/opensuse/tomcat:9.0.91
  docker pull registry.opensuse.org/opensuse/tomcat:9.0.91-2.2

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.